[gtk+] gdk: remove get_composite_drawable vfunc

[Benjamin Otte <otte src gnome org>]

commit 4c16995868b848f3284142a680f11a7deec5b878
Author: Benjamin Otte <otte redhat com>
Date:   Wed Jul 21 21:13:23 2010 +0200

    gdk: remove get_composite_drawable vfunc
    
    The vfunc is not used anymore.

 gdk/gdkdraw.c            |   25 ---------
 gdk/gdkdrawable.h        |    8 ---
 gdk/gdkoffscreenwindow.c |   15 -----
 gdk/gdkwindow.c          |  136 ----------------------------------------------
 4 files changed, 0 insertions(+), 184 deletions(-)
---
diff --git a/gdk/gdkdraw.c b/gdk/gdkdraw.c
index 1b58722..3c8152e 100644
--- a/gdk/gdkdraw.c
+++ b/gdk/gdkdraw.c
@@ -36,13 +36,6 @@
 #include "gdkpixbuf.h"
 
 
-static GdkDrawable* gdk_drawable_real_get_composite_drawable (GdkDrawable  *drawable,
-							      gint          x,
-							      gint          y,
-							      gint          width,
-							      gint          height,
-							      gint         *composite_x_offset,
-							      gint         *composite_y_offset);
 static cairo_region_t *  gdk_drawable_real_get_visible_region     (GdkDrawable  *drawable);
      
 
@@ -51,7 +44,6 @@ G_DEFINE_ABSTRACT_TYPE (GdkDrawable, gdk_drawable, G_TYPE_OBJECT)
 static void
 gdk_drawable_class_init (GdkDrawableClass *klass)
 {
-  klass->get_composite_drawable = gdk_drawable_real_get_composite_drawable;
   /* Default implementation for clip and visible region is the same */
   klass->get_clip_region = gdk_drawable_real_get_visible_region;
   klass->get_visible_region = gdk_drawable_real_get_visible_region;
@@ -201,23 +193,6 @@ gdk_drawable_get_colormap (GdkDrawable *drawable)
   return GDK_DRAWABLE_GET_CLASS (drawable)->get_colormap (drawable);
 }
 
-static GdkDrawable *
-gdk_drawable_real_get_composite_drawable (GdkDrawable *drawable,
-                                          gint         x,
-                                          gint         y,
-                                          gint         width,
-                                          gint         height,
-                                          gint        *composite_x_offset,
-                                          gint        *composite_y_offset)
-{
-  g_return_val_if_fail (GDK_IS_DRAWABLE (drawable), NULL);
-
-  *composite_x_offset = 0;
-  *composite_y_offset = 0;
-  
-  return g_object_ref (drawable);
-}
-
 /**
  * gdk_drawable_get_clip_region:
  * @drawable: a #GdkDrawable
diff --git a/gdk/gdkdrawable.h b/gdk/gdkdrawable.h
index 8259385..266eaf8 100644
--- a/gdk/gdkdrawable.h
+++ b/gdk/gdkdrawable.h
@@ -76,14 +76,6 @@ struct _GdkDrawableClass
   cairo_region_t*   (*get_clip_region)    (GdkDrawable  *drawable);
   cairo_region_t*   (*get_visible_region) (GdkDrawable  *drawable);
 
-  GdkDrawable* (*get_composite_drawable) (GdkDrawable *drawable,
-                                          gint         x,
-                                          gint         y,
-                                          gint         width,
-                                          gint         height,
-                                          gint        *composite_x_offset,
-                                          gint        *composite_y_offset);
-
   cairo_surface_t *(*ref_cairo_surface) (GdkDrawable *drawable);
 
   GdkDrawable *(*get_source_drawable) (GdkDrawable *drawable);
diff --git a/gdk/gdkoffscreenwindow.c b/gdk/gdkoffscreenwindow.c
index 0e91a0e..b6148e5 100644
--- a/gdk/gdkoffscreenwindow.c
+++ b/gdk/gdkoffscreenwindow.c
@@ -204,20 +204,6 @@ gdk_offscreen_window_get_source_drawable (GdkDrawable  *drawable)
   return _gdk_drawable_get_source_drawable (offscreen->pixmap);
 }
 
-static GdkDrawable *
-gdk_offscreen_window_get_composite_drawable (GdkDrawable *drawable,
-					     gint         x,
-					     gint         y,
-					     gint         width,
-					     gint         height,
-					     gint        *composite_x_offset,
-					     gint        *composite_y_offset)
-{
-  GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
-
-  return g_object_ref (offscreen->pixmap);
-}
-
 static GdkScreen*
 gdk_offscreen_window_get_screen (GdkDrawable *drawable)
 {
@@ -921,7 +907,6 @@ gdk_offscreen_window_class_init (GdkOffscreenWindowClass *klass)
   drawable_class->get_screen = gdk_offscreen_window_get_screen;
   drawable_class->get_visual = gdk_offscreen_window_get_visual;
   drawable_class->get_source_drawable = gdk_offscreen_window_get_source_drawable;
-  drawable_class->get_composite_drawable = gdk_offscreen_window_get_composite_drawable;
 }
 
 static void
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 17f7560..75c86d4 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -418,7 +418,6 @@ gdk_window_class_init (GdkWindowObjectClass *klass)
   drawable_class->set_cairo_clip = gdk_window_set_cairo_clip;
   drawable_class->get_clip_region = gdk_window_get_clip_region;
   drawable_class->get_visible_region = gdk_window_get_visible_region;
-  drawable_class->get_composite_drawable = gdk_window_get_composite_drawable;
   drawable_class->get_source_drawable = gdk_window_get_source_drawable;
 
   quark_pointer_window = g_quark_from_static_string ("gtk-pointer-window");
@@ -3850,141 +3849,6 @@ gdk_window_get_source_drawable (GdkDrawable *drawable)
   return drawable;
 }
 
-static GdkDrawable *
-gdk_window_get_composite_drawable (GdkDrawable *drawable,
-				   gint         x,
-				   gint         y,
-				   gint         width,
-				   gint         height,
-				   gint        *composite_x_offset,
-				   gint        *composite_y_offset)
-{
-  GdkWindowObject *private = (GdkWindowObject *)drawable;
-  GSList *list;
-  GdkPixmap *tmp_pixmap;
-  GdkRectangle rect;
-  gboolean overlap_buffer;
-  GdkDrawable *source;
-  GdkWindowObject *impl_window;
-  GdkWindowPaint *implicit_paint;
-  cairo_t *cr;
-
-  *composite_x_offset = -private->abs_x;
-  *composite_y_offset = -private->abs_y;
-
-  if ((GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable)))
-    return g_object_ref (_gdk_drawable_get_source_drawable (drawable));
-
-  /* See if any buffered part is overlapping the part we want
-   * to get
-   */
-  rect.x = x;
-  rect.y = y;
-  rect.width = width;
-  rect.height = height;
-
-  overlap_buffer = FALSE;
-
-  for (list = private->paint_stack; list != NULL; list = list->next)
-    {
-      GdkWindowPaint *paint = list->data;
-      cairo_region_overlap_t overlap;
-
-      overlap = cairo_region_contains_rectangle (paint->region, &rect);
-
-      if (overlap == CAIRO_REGION_OVERLAP_IN)
-	{
-	  *composite_x_offset = paint->x_offset;
-	  *composite_y_offset = paint->y_offset;
-
-	  return g_object_ref (paint->pixmap);
-	}
-      else if (overlap == CAIRO_REGION_OVERLAP_PART)
-	{
-	  overlap_buffer = TRUE;
-	  break;
-	}
-    }
-
-  impl_window = gdk_window_get_impl_window (private);
-  implicit_paint = impl_window->implicit_paint;
-  if (implicit_paint)
-    {
-      cairo_region_overlap_t overlap;
-
-      rect.x += private->abs_x;
-      rect.y += private->abs_y;
-
-      overlap = cairo_region_contains_rectangle (implicit_paint->region, &rect);
-      if (overlap == CAIRO_REGION_OVERLAP_IN)
-	{
-	  *composite_x_offset = -private->abs_x + implicit_paint->x_offset;
-	  *composite_y_offset = -private->abs_y + implicit_paint->y_offset;
-
-	  return g_object_ref (implicit_paint->pixmap);
-	}
-      else if (overlap == CAIRO_REGION_OVERLAP_PART)
-	overlap_buffer = TRUE;
-    }
-
-  if (!overlap_buffer)
-    return g_object_ref (_gdk_drawable_get_source_drawable (drawable));
-
-  tmp_pixmap = gdk_pixmap_new (drawable, width, height, -1);
-  cr = gdk_cairo_create (tmp_pixmap);
-
-  source = _gdk_drawable_get_source_drawable (drawable);
-
-  gdk_cairo_set_source_pixmap (cr, source,
-                               x - *composite_x_offset,
-                               y - *composite_y_offset);
-  cairo_paint (cr);
-
-  /* paint the backing stores */
-  if (implicit_paint)
-    {
-      GdkWindowPaint *paint = list->data;
-
-      cairo_save (cr);
-
-      gdk_cairo_set_source_pixmap (cr, paint->pixmap, 
-                                   x - paint->x_offset,
-                                   y - paint->y_offset);
-      cairo_translate (cr, -x  - paint->x_offset, -y  - paint->y_offset);
-      gdk_cairo_region (cr, paint->region);
-      cairo_fill (cr);
-
-      cairo_restore (cr);
-    }
-
-  for (list = private->paint_stack; list != NULL; list = list->next)
-    {
-      GdkWindowPaint *paint = list->data;
-
-      if (paint->uses_implicit)
-	continue; /* We already copied this above */
-
-      cairo_save (cr);
-
-      gdk_cairo_set_source_pixmap (cr, paint->pixmap, 
-                                   x - paint->x_offset,
-                                   y - paint->y_offset);
-      cairo_translate (cr, -x, -y);
-      gdk_cairo_region (cr, paint->region);
-      cairo_fill (cr);
-
-      cairo_restore (cr);
-    }
-
-  cairo_destroy (cr);
-
-  /* Set these to location of tmp_pixmap within the window */
-  *composite_x_offset = x;
-  *composite_y_offset = y;
-
-  return tmp_pixmap;
-}
-
 static cairo_region_t*
 gdk_window_get_clip_region (GdkDrawable *drawable)
 {